Home / 12,434,022.30-18,651,033.45-7,382,732.70

Finding the Fourth Proportional to 12,434,022.30, 18,651,033.45 and 7,382,732.70

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Solution

The fourth proportional to 12,434,022.30, 18,651,033.45 and 7,382,732.70 is: 11,074,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434,022.30 : 18,651,033.45 = 7,382,732.70 : x
  2. Step 2: Convert to fraction form
    12,434,022.30/18,651,033.45 = 7,382,732.70/x
  3. Step 3: Cross multiply
    12,434,022.30x = 18,651,033.45 × 7,382,732.70
  4. Step 4: Simplify right side
    12,434,022.30x = 137,695,594,540,108.81
  5. Step 5: Solve for x
    x = 137,695,594,540,108.81/12,434,022.30
  6. Step 6: Final answer
    x = 11,074,099.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.